<span id="docs-internal-guid-557f475d-7fff-a9f4-cd7e-d0e12d475bc3">[size= 11pt; font-family: Arial, sans-serif; background-color: transparent; font-weight: bold; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; vertical-align: baseline; white-space-collapse: preserve]What are cognitive function boosters, and how do they operate?[/size]</span>